The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2026
Filed:
Dec. 22, 2022
Valmet Automation Oy, Espoo, FI;
VALMET AUTOMATION OY, Espoo, FI;
Abstract
A solution for controlling cellulose processing comprises performing () optically first measurements of the cellulose during the processing, performing () second measurements of the cellulose by directing () optical radiation to the cellulose, the radiation comprising at least one beam that is polarized and at least one separate beam is non-polarized, measuring () attenuations and parameters of polarization of the radiation interacted with the cellulose and determining size of particles in the cellulose based on at least one comparison of the parameters of polarization and the attenuations. The processing is controlled () based on the first measurements until a given threshold of the first measurements has been reached and thereafter controlling the processing based on the second measurements.
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